• How to fix mistake upstream prematurely closed connection while reading response header from upstream?

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    A lot depends on the CMS that you use and the nature of the site`s content (static or dynamic). If the size is increased due to the cache, then you can try to install some caching plug-ins (for example, WP Super Cache for wordpress). If you have plug-ins to create backup copies, you can try to disable it or to reduce the number of created backups.

    Solutions (1)
    The best option is to communicate with tech support of the hoster, as the reasons can be different. Usually, the error occurs because of the restrictions in nginx. You need to increase the parameters: proxy_send_timeout proxy_read_timeout
    Answers (2)
    Are you importing a dump? Or what action are you trying to take? Try to disable nginx and check whether there is an error while processing the apache page. We need more details on what was happening when the problem occurred.
    Are you importing a dump? Or what action are you trying to take? Try to disable nginx and check whether there is an error while processing the apache page. We need more details on what was happening when the problem occurred.
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